42 lines
3.6 KiB
Markdown
42 lines
3.6 KiB
Markdown
# Environment variables (code references)
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!!! warning "Unofficial and incomplete"
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This list is **not** a substitute for the official [Environment variables](https://code.claude.com/docs/en/env-vars) reference. It only shows names that appear in the recovered `src/` tree as `process.env.*` (or standard vars like `HOME`). Behavior and stability are defined by Anthropic’s product, not this mirror.
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## User-facing and integration (examples found in source)
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| Variable | Where used (indicative) |
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| ---------------------------------- | ------------------------------------------------------------------------------------------- |
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| `ANTHROPIC_BASE_URL` | API client / proxy routing (`toolSearch.ts`, auth paths) |
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| `CLAUDE_CODE_GIT_BASH_PATH` | Windows Git Bash resolution (`windowsPaths.ts`) |
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| `CLAUDE_DEBUG` | Debug logging (`warningHandler.ts`) |
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| `CLAUDE_CODE_ENABLE_TELEMETRY` | OpenTelemetry enable (`telemetry/instrumentation.ts`) |
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| `CLAUDE_CODE_ENABLE_TASKS` | Tasks mode (`tasks.ts`) |
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| `CLAUDE_CODE_TASK_LIST_ID` | Default task list id (`tasks.ts`) |
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| `CLAUDE_CODE_PLAN_MODE_REQUIRED` | Plan mode gate (`teammate.ts`) |
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| `CLAUDE_CODE_WORKSPACE_HOST_PATHS` | Telemetry workspace mapping (`telemetry/events.ts`) |
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| `ENABLE_TOOL_SEARCH` | Tool search beta (`toolSearch.ts`) |
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| `GITHUB_ACTIONS` / `GITHUB_*` | CI metadata in analytics (`user.ts`) |
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| `HOME` | XDG / paths (`xdg.ts`) |
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| `MAX_THINKING_TOKENS` | Thinking toggle (`thinking.ts`) |
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| `NODE_ENV` | Dev/test branches |
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| `OTEL_*` | OpenTelemetry exporters and endpoints (`telemetry/instrumentation.ts`, `sessionTracing.ts`) |
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| `SHELL` | Shell spawning (`terminalPanel.ts`, `windowsPaths.ts`) |
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| `TMUX` / `TMUX_PANE` | Worktree / swarm backends (`worktree.ts`, `swarm/backends/detection.ts`) |
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| `TMPDIR` | Temp paths (`tmuxSocket.ts`) |
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| `USER_TYPE` | Internal Anthropic gating (`undercover.ts`, many modules) |
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## Internal / experimental (often `USER_TYPE === 'ant'`)
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Variables such as `CLAUDE_CODE_UNDERCOVER`, `ANT_OTEL_*`, `ANT_CLAUDE_CODE_METRICS_ENDPOINT`, `BETA_TRACING_ENDPOINT`, `CCR_FORCE_BUNDLE`, `CCR_ENABLE_BUNDLE`, and similar appear for **employee or beta** builds. Treat them as undocumented implementation details.
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## Regenerate a full grep index
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From the repo root:
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```bash
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rg -o 'process\.env\.[A-Za-z0-9_]+' src --glob '*.ts' --glob '*.tsx' | sort -u
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```
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The script `scripts/gen-appendices.sh` can write the output to `docs-site/docs/appendix/_generated-env-vars.txt` (gitignored) for local analysis.
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